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Small rectangular switch with top roller lever, metal housing

Dayton

Dayton Enclosed Limit Switch SPDT Top Roll

SKU CH-YJME-MX3DM

Enclosed SPDT limit switch with top roller actuator rated 15 A at 480 V AC/DC in a miniature NEMA 1 housing

  • TypeLight Switch
  • SPDT contact form enables versatile circuit control
  • 15 A at 480 V AC/DC handles demanding loads
  • Top roller lever actuates from above for compact installs
  • Miniature body fits tight spaces at 1.76 × 3.39 × 1.01 in
  • NEMA 1 rating suits indoor industrial environments

SPDT Top-Roller Limit Switch

This Dayton enclosed limit switch uses a single-pole double-throw contact block rated at 15 A for both AC and DC circuits at 480 V. The horizontal top-mounted roller lever measures 1.56 in and actuates inside a miniature body sized 1.76 in high, 3.39 in wide and 1.01 in deep. It carries a NEMA 1 rating and mounts on a flat surface for indoor position-sensing tasks.

Sustained Load Behaviour

The contacts maintain their 15 A rating continuously at 480 V without a separate derating for duty cycle, so the switch handles repeated actuation in conveyor or machine-tool sequences. The unsealed roller lever and NEMA 1 enclosure suit clean, dry environments where debris or moisture are not present.

Replaces Basic Snap Switches

The switch upgrades from a simple snap-action switch when an adjustable roller lever and enclosed housing are required for consistent trip points. It is not suited for applications needing a sealed actuator, higher NEMA protection or a different lever geometry.

Highlights

  • SPDT contact form enables versatile circuit control
  • 15 A at 480 V AC/DC handles demanding loads
  • Top roller lever actuates from above for compact installs
  • Miniature body fits tight spaces at 1.76 × 3.39 × 1.01 in
  • NEMA 1 rating suits indoor industrial environments

Specifications

BrandDayton
TypeLight Switch

Questions about this item

Does the Dayton SPDT limit switch generate noticeable heat or noise when it cycles continuously at 15 A?

The switch is a passive electromechanical component with no active cooling or moving parts beyond the roller lever, so it produces negligible heat and no audible noise during normal operation at its 15 A rating.

What wiring and mounting hardware must I already have to install this top-roller limit switch?

You need a surface with two mounting holes matching the 3.39 in by 1.01 in body footprint, plus suitably rated wire and terminals for 15 A at up to 480 V AC or DC to connect the SPDT contacts.

Will the 1.56 in roller lever clear the same cam profile used with my older NEMA 1 miniature limit switches?

The 1.56 in actuator length and top-mounted roller lever match the form factor of many legacy NEMA 1 miniature switches, so existing cam profiles will typically engage without modification.

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